CPT717 Features: -Most powerful CP air hammer for automotive, truck and off road equipment.-Positive action trigger for precise control.-Super Duty Air Hammer. Specifications: -1,800 blows per minute. Dimensions: -.498" diameter chisel shank to handle the extra powerApplications: front end work, king pin removal, removal and installation of bulldozer walking beams, removal of truck springs and heavy-duty spring bushings. Stroke: 2.69"; average air consumption: 3.13 cfm; air inlet thread: 1/4" NPTF; minimum hose size: 3/8"; sound dBA: 95; length: 9.75"; weight: 4.75 lb.. Warranty: -1 yr warranty on material and workmanship.